U.S. federal trademark · Serial No. 85320788 · Reg. No. 4053219
ENTERTAINMENT SERVICES IN THE NATURE OF A CONTINUING NON-FICTION PROGRAM ABOUT HISTORY, CULTURE, ART AND SCIENCE, ACCESSIBLE BY [RADIO, ]TELEVISION, CABLE, FIBER OPTIC NETWORKS, WIRELESS NETWORKS, SATELLITE, AUDIO VIDEO, AND COMPUTER NETWORKS
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